feat: harden tweakcc update compatibility

chore: npm pkg fix

chore(release): v2.0.1

Merge pull request #43 from numman-ali/fix/windows-paths-ci

ci: add Windows dist smoke test on PRs

test: cover tweakcc async invocation + create flow

test(windows): cover tweakcc npx.cmd invocation

docs: fix Windows PATH tips + lint

Fix Windows variant creation, PATH updates, and positional names

docs: update all documentation for v2.0.0 release

feat: provider cleanup, color swap, and splash grid

fix(theme): use dark theme ID for Rust native module compatibility

fix(theme): improve dark diff readability and enforce dark brand defaults

Harden provider setup UX and darken diff themes

feat: adaptive diff palette for all brand themes